/*
 * Copyright 2015 stanislawbartkowski@gmail.com 
 * Licensed under the Apache License, Version 2.0 (the "License"); 
 * you may not use this file except in compliance with the License. 
 * You may obtain a copy of the License at 
 * http://www.apache.org/licenses/LICENSE-2.0 
 * Unless required by applicable law or agreed to in writing, software 
 * distributed under the License is distributed on an "AS IS" BASIS, 
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
 * See the License for the specific language governing permissions and 
 * limitations under the License.
 */
package com.jython.ui.server.jpatrans;

import javax.inject.Inject;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;

public class JpaTransactionContext implements ITransactionContext {

    private final EntityManager em;

    @Inject
    public JpaTransactionContext(EntityManagerFactory eFactory) {
        em = eFactory.createEntityManager();
    }

    @Override
    public EntityManager getManager() {
        return em;
    }

    @Override
    public void beginTrans() {
        em.getTransaction().begin();
    }

    @Override
    public void commit() {
        em.getTransaction().commit();
    }

    @Override
    public void rollback() {
        em.getTransaction().rollback();
    }

    @Override
    public void makekeys() {
        em.flush();
    }

    @Override
    public void close() {
        em.close();
    }

}
